* {
  box-sizing: border-box;
}
*::selection {
  background-color: var(--primary);
  color: white;
}
*::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

/* 滚动条轨道 */
*::-webkit-scrollbar-track {
  background-color: #f5f5f5;
}

/* 滚动条滑块 */
*::-webkit-scrollbar-thumb {
  background-color: #bbb;
  border-radius: 10px;
}

/* 鼠标悬停在滚动条上时的滑块样式 */
*::-webkit-scrollbar-thumb:hover {
  background-color: #999;
}
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-size: 12px;
}
#app {
  height: 100%;
}
input,
textarea,
select {
  border: 1px solid #eee;
  resize: none;
  margin: 0;
  padding: 0;
  outline: none;
  padding: 4px;
  border-radius: var(--radius);
}
button {
  background-color: transparent;
  padding: 0;
  margin: 0;
  border: none;
  outline: none;
  display: unset;
  cursor: pointer;
}
ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
